Price T Rowe Associates Inc /Md/

13F Holdings History for INSMED Inc - Common Stock, par value $0.01 per share (INSM)

Symbol: INSM on Nasdaq
Investment type: Equity / Common Stock, par value $0.01 per share
Latest Disclosed Ownership: 6.93M shares
Security Ownership: 3.3%

Shares, Excluding Options vs Price

Value, Excluding Options

T. Rowe Price Associates, Inc. ownership in INSMED Inc Common Stock, par value $0.01 per share (INSM)

2025-11-14 - T. Rowe Price Associates, Inc. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 6.93M shares of INSMED Inc Common Stock, par value $0.01 per share (INSM). This represents 3.3% percent ownership of the company. In their previous filing dated 2025-08-14, PRICE T ROWE ASSOCIATES INC /MD/ had reported owning 11.2M shares, indicating a decrease of -38.3% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
T. Rowe Price Associates, Inc.	3.3%	-43.3%	$998M	6.93M	-4,298,925	-38.3%	$144.01	13G/A	9/30/2025	14 Nov 2025 12:19:23
T. Rowe Price Associates, Inc.	5.9%		$1.45B	11.2M			$129.45	13G/A	6/30/2025	14 Aug 2025 13:07:20

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
9/30/2025	0.11%	-0.07%	$998M	6.93M	-4,299,239	-38.3%	$144.01	Q3 2025
6/30/2025	0.13%	-0.02%	$1.13B	11.2M	-1,692,836	-13.1%	$100.64	Q2 2025
3/31/2025	0.12%	+0%	$986M	12.9M	+219,131		$76.29	Q1 2025
12/31/2024	0.1%	+0%	$877M	12.7M	+123,429	+0.98%	$69.04	Q4 2024
9/30/2024	0.11%	+0%	$918M	12.6M	+417,613	+3.43%	$73.00	Q3 2024
6/30/2024	0.1%	+0.01%	$815M	12.2M	+1,394,002	+12.9%	$67.00	Q2 2024
3/31/2024	0.04%	+0%	$292M	10.8M	+5,595	+0.05%	$27.13	Q1 2024
12/31/2023	0.04%	+0%	$334M	10.8M	+356,555	+3.43%	$30.99	Q4 2023
9/30/2023	0.04%	+0%	$263M	10.4M	+234,920	+2.31%	$25.25	Q3 2023
6/30/2023	0.03%	+0%	$215M	10.2M	+190,232	+1.91%	$21.10	Q2 2023
3/31/2023	0.03%	+0%	$170M	9.98M	+4,153	+0.04%	$17.05	Q1 2023
12/31/2022	0.03%	+0%	$199M	9.98M	+429,664	+4.5%	$19.98	Q4 2022
9/30/2022	0.03%	-0.02%	$206M	9.55M	-6,674,376	-41.1%	$21.54	Q3 2022
6/30/2022	0.04%	+0%	$320M	16.2M	+364,362	+2.3%	$19.72	Q2 2022
3/31/2022	0.04%	+0%	$373M	15.9M	+537,057	+3.51%	$23.50	Q1 2022
12/31/2021	0.04%	+0%	$417M	15.3M	+580,772	+3.94%	$27.24	Q4 2021
9/30/2021	0.04%	+0%	$406M	14.7M	+367,747	+2.56%	$27.54	Q3 2021
6/30/2021	0.04%	+0.01%	$409M	14.4M	+3,070,140	+27.2%	$28.46	Q2 2021
3/31/2021	0.04%	+0.01%	$385M	11.3M	+1,650,241	+17.1%	$34.06	Q1 2021
12/31/2020	0.03%	+0%	$321M	9.65M	+153,054	+1.61%	$33.29	Q4 2020
9/30/2020	0.04%	0%	$305M	9.5M	-68,049	-0.71%	$32.14	Q3 2020
6/30/2020	0.03%	+0.01%	$263M	9.57M	+2,590,890	+37.1%	$27.54	Q2 2020
3/31/2020	0.02%	+0%	$112M	6.98M	+445,634	+6.82%	$16.03	Q1 2020
12/31/2019	0.02%	0%	$156M	6.53M	-266,353	-3.92%	$23.88	Q4 2019
9/30/2019	0.02%	0%	$120M	6.8M	-260,839	-3.7%	$17.64	Q3 2019
6/30/2019	0.03%	0%	$181M	7.06M	-827,528	-10.5%	$25.60	Q2 2019
3/31/2019	0.03%	0%	$229M	7.89M	-790,903	-9.12%	$29.07	Q1 2019
12/31/2018	0.02%	0%	$114M	8.68M	-1,823,846	-17.4%	$13.12	Q4 2018
9/30/2018	0.03%	-0.01%	$212M	10.5M	-1,999,246	-16%	$20.22	Q3 2018
6/30/2018	0.05%	0%	$296M	12.5M	-80,791	-0.64%	$23.65	Q2 2018
3/31/2018	0.05%	0%	$283M	12.6M	-448,341	-3.44%	$22.52	Q1 2018
12/31/2017	0.07%	+0%	$406M	13M	+168,938	+1.31%	$31.18	Q4 2017
9/30/2017	0.07%	+0.01%	$401M	12.9M	+2,565,133	+24.9%	$31.21	Q3 2017
6/30/2017	0.03%	0%	$177M	10.3M	-513,668	-4.75%	$17.16	Q2 2017
3/31/2017	0.04%	+0%	$189M	10.8M	+301,294	+2.87%	$17.51	Q1 2017
12/31/2016	0.03%	+0%	$139M	10.5M	+469,053	+4.67%	$13.23	Q4 2016
9/30/2016	0.03%	+0%	$146M	10M	+27,350	+0.27%	$14.52	Q3 2016
6/30/2016	0.02%	+0%	$98.7M	10M	+365,441	+3.79%	$9.86	Q2 2016
3/31/2016	0.03%	+0%	$122M	9.65M	+368,935	+3.98%	$12.67	Q1 2016
12/31/2015	0.04%	+0%	$168M	9.28M	+234,757	+2.6%	$18.15	Q4 2015
9/30/2015	0.04%	+0%	$168M	9.04M	+387,762	+4.48%	$18.57	Q3 2015
6/30/2015	0.04%	+0%	$211M	8.65M	+282,480	+3.37%	$24.42	Q2 2015
3/31/2015	0.04%	+0.03%	$174M	8.37M	+7,940,960	+1846%	$20.80	Q1 2015
12/31/2014	0%	+0%	$6.66M	430K	+29,187	+7.28%	$15.47	Q4 2014
9/30/2014	0%	+0%	$5.23M	401K	+401,000	NEW	$13.05	Q3 2014
6/30/2014		0%	$0	0	-70,028	-100%		Q2 2014
3/31/2014	0%	+0%	$1.33M	70K	+70,028	NEW	$19.04	Q1 2014

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.